# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
470427 | 2021-09-03T17:55:50 Z | jazzup | Connecting Supertrees (IOI20_supertrees) | C++14 | 268 ms | 22268 KB |
#include "supertrees.h" #include <vector> #include <cstdio> using namespace std; int par[1010]; vector<int> heads[1000]; int findPar(int n){ if(par[n]==n)return n; return par[n]=findPar(par[n]); } bool c[1010]; vector<vector<int> > answer; int construct(vector<vector<int> > p) { int n = p.size(); for(int i=0;i<=n;i++){ par[i]=i; } for(int i=0;i<n;i++){ vector<int> vv; answer.push_back(vv); for(int j=0;j<n;j++){ answer[i].push_back(0); } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ if(p[i][j]!=p[j][i])return 0; } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ if(p[i][j]==3)return 0; if(p[i][j]==1){ if(findPar(i)<findPar(j)){ par[findPar(j)]=findPar(i); answer[j][findPar(j)]=1; answer[findPar(j)][j]=1; } else if(findPar(i)>findPar(j)){ par[findPar(i)]=findPar(j); answer[i][findPar(i)]=1; answer[findPar(i)][i]=1; } } } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ // if(i==j)continue; if(p[i][j]==2){ c[findPar(i)]=true; c[findPar(j)]=true; if(findPar(i)<findPar(j)){ par[findPar(j)]=findPar(i); } else if(findPar(i)>findPar(j)){ par[findPar(i)]=findPar(j); } heads[findPar(i)].push_back(i); heads[findPar(j)].push_back(j); } } } for(int h=0;h<n;h++){ if(!heads[h].empty()){ for(int i=0;i<heads[h].size()-1;i++){ answer[heads[h][i]][heads[h][i+1]]=1; answer[heads[h][i+1]][heads[h][i]]=1; } answer[heads[h][heads[h].size()-1]][heads[h][0]]=1; answer[heads[h][0]][heads[h][heads[h].size()-1]]=1; } if(heads[h].size()==2)return 0; } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ if(i==j)continue; else if(p[i][j]==0){ if(findPar(i)==findPar(j)){ return 0; } } } } build(answer); return 1; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 11 ms | 1228 KB | Output is correct |
7 | Correct | 256 ms | 22108 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 11 ms | 1228 KB | Output is correct |
7 | Correct | 256 ms | 22108 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 11 ms | 1228 KB | Output is correct |
13 | Correct | 259 ms | 22120 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 0 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 123 ms | 12184 KB | Output is correct |
18 | Correct | 1 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 64 ms | 5700 KB | Output is correct |
21 | Correct | 260 ms | 22156 KB | Output is correct |
22 | Correct | 258 ms | 22144 KB | Output is correct |
23 | Correct | 267 ms | 22164 KB | Output is correct |
24 | Correct | 253 ms | 22212 KB | Output is correct |
25 | Correct | 113 ms | 12184 KB | Output is correct |
26 | Correct | 118 ms | 12168 KB | Output is correct |
27 | Correct | 268 ms | 22156 KB | Output is correct |
28 | Correct | 266 ms | 22196 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 0 ms | 204 KB | Output is correct |
7 | Correct | 0 ms | 204 KB | Output is correct |
8 | Correct | 11 ms | 1208 KB | Output is correct |
9 | Correct | 254 ms | 22268 KB | Output is correct |
10 | Incorrect | 0 ms | 204 KB | Too many ways to get from 0 to 3, should be 2 found no less than 3 |
11 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 1 ms | 244 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 64 ms | 5744 KB | Output is correct |
5 | Correct | 257 ms | 22084 KB | Output is correct |
6 | Correct | 259 ms | 22084 KB | Output is correct |
7 | Correct | 265 ms | 22164 KB | Output is correct |
8 | Incorrect | 0 ms | 204 KB | Too many ways to get from 0 to 2, should be 2 found no less than 3 |
9 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 11 ms | 1228 KB | Output is correct |
7 | Correct | 256 ms | 22108 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 11 ms | 1228 KB | Output is correct |
13 | Correct | 259 ms | 22120 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 0 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 123 ms | 12184 KB | Output is correct |
18 | Correct | 1 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 64 ms | 5700 KB | Output is correct |
21 | Correct | 260 ms | 22156 KB | Output is correct |
22 | Correct | 258 ms | 22144 KB | Output is correct |
23 | Correct | 267 ms | 22164 KB | Output is correct |
24 | Correct | 253 ms | 22212 KB | Output is correct |
25 | Correct | 113 ms | 12184 KB | Output is correct |
26 | Correct | 118 ms | 12168 KB | Output is correct |
27 | Correct | 268 ms | 22156 KB | Output is correct |
28 | Correct | 266 ms | 22196 KB | Output is correct |
29 | Correct | 0 ms | 204 KB | Output is correct |
30 | Correct | 0 ms | 204 KB | Output is correct |
31 | Correct | 0 ms | 204 KB | Output is correct |
32 | Correct | 0 ms | 204 KB | Output is correct |
33 | Correct | 0 ms | 204 KB | Output is correct |
34 | Correct | 0 ms | 204 KB | Output is correct |
35 | Correct | 0 ms | 204 KB | Output is correct |
36 | Correct | 11 ms | 1208 KB | Output is correct |
37 | Correct | 254 ms | 22268 KB | Output is correct |
38 | Incorrect | 0 ms | 204 KB | Too many ways to get from 0 to 3, should be 2 found no less than 3 |
39 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 11 ms | 1228 KB | Output is correct |
7 | Correct | 256 ms | 22108 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 11 ms | 1228 KB | Output is correct |
13 | Correct | 259 ms | 22120 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 0 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 123 ms | 12184 KB | Output is correct |
18 | Correct | 1 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 64 ms | 5700 KB | Output is correct |
21 | Correct | 260 ms | 22156 KB | Output is correct |
22 | Correct | 258 ms | 22144 KB | Output is correct |
23 | Correct | 267 ms | 22164 KB | Output is correct |
24 | Correct | 253 ms | 22212 KB | Output is correct |
25 | Correct | 113 ms | 12184 KB | Output is correct |
26 | Correct | 118 ms | 12168 KB | Output is correct |
27 | Correct | 268 ms | 22156 KB | Output is correct |
28 | Correct | 266 ms | 22196 KB | Output is correct |
29 | Correct | 0 ms | 204 KB | Output is correct |
30 | Correct | 0 ms | 204 KB | Output is correct |
31 | Correct | 0 ms | 204 KB | Output is correct |
32 | Correct | 0 ms | 204 KB | Output is correct |
33 | Correct | 0 ms | 204 KB | Output is correct |
34 | Correct | 0 ms | 204 KB | Output is correct |
35 | Correct | 0 ms | 204 KB | Output is correct |
36 | Correct | 11 ms | 1208 KB | Output is correct |
37 | Correct | 254 ms | 22268 KB | Output is correct |
38 | Incorrect | 0 ms | 204 KB | Too many ways to get from 0 to 3, should be 2 found no less than 3 |
39 | Halted | 0 ms | 0 KB | - |